By nevessmichel
I have a python app running at port 9000 and want to connect externally. So, I open port 9000 in ufw, checked wheather port app is listen and created rule at Digital Ocean firewall. I can connect to postgres at port 5432 and ssh, but cannot connect to port 9000.
sudo netstat -plnt
Active Internet connections (only servers)
Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name
tcp 0 0 127.0.0.53:53 0.0.0.0:* LISTEN 692/systemd-resolve
tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 877/sshd
tcp 0 0 0.0.0.0:5432 0.0.0.0:* LISTEN 937/postgres
tcp 0 0 0.0.0.0:9000 0.0.0.0:* LISTEN 1184/python3.6
tcp6 0 0 :::22 :::* LISTEN 877/sshd
tcp6 0 0 :::5432 :::* LISTEN 937/postgres
sudo ufw status
Status: active
To Action From
-- ------ ----
9000/tcp ALLOW Anywhere
9001/tcp ALLOW Anywhere
10001/tcp ALLOW Anywhere
10000/tcp ALLOW Anywhere
5432/tcp ALLOW Anywhere
22/tcp ALLOW Anywhere
22 ALLOW Anywhere
9000/tcp (v6) ALLOW Anywhere (v6)
9001/tcp (v6) ALLOW Anywhere (v6)
10001/tcp (v6) ALLOW Anywhere (v6)
10000/tcp (v6) ALLOW Anywhere (v6)
5432/tcp (v6) ALLOW Anywhere (v6)
22/tcp (v6) ALLOW Anywhere (v6)
22 (v6) ALLOW Anywhere (v6)
Can someone help me, please?
Become a contributor for community
Get paid to write technical tutorials and select a tech-focused charity to receive a matching donation.
DigitalOcean Documentation
Full documentation for every DigitalOcean product.
Resources for startups and AI-native businesses
The Wave has everything you need to know about building a business, from raising funding to marketing your product.
The developer cloud
Scale up as you grow — whether you're running one virtual machine or ten thousand.
Start building today
From GPU-powered inference and Kubernetes to managed databases and storage, get everything you need to build, scale, and deploy intelligent applications.
